calcium oxalate crystals in urine
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Etiology
Laboratory
- urine microscopy
- envelope, dumbell or needle-shaped crystals in urine*
- positively birefringent crystals under polarized light
- blue when parallel & yellow when perpendicular to light
* described in[2] as narrow rectangles with pointed ends (images)
More general terms
Additional terms
References
- ↑ Medical Knowledge Self Assessment Program (MKSAP) 16, 17. American College of Physicians, Philadelphia 2012, 2015
- ↑ 2.0 2.1 Hanouneh M, Chen TK Calcium Oxalate Crystals in Ethylene Glycol Toxicity. N Engl J Med 2017; 377:1467. October 12, 2017 <PubMed> PMID: https://www.ncbi.nlm.nih.gov/pubmed/29020580 <Internet> http://www.nejm.org/doi/full/10.1056/NEJMicm1704369